#include <stdio.h>
#include <unistd.h>

int main()
{
    int ret = 0;
    ret = alarm(6);
    printf("ret = %d\n", ret);

    sleep(2);
    ret = alarm(4);
    printf("ret = %d\n", ret);


    while(1) {
        printf("Hello Kitty\n");
        sleep(1);
    }

    return 0;
}

